Lubricator.



W. WRIGHT.

LUBRICATOR.

APPLICATION FILED JUNE 19. 1915.

LIWAWB Patented Oct. 19, 1915.

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WILLIAM WRIGHT, OF BRADFORD, PENNSYLVANIA, ASSIGNOR TO BOVAIRD &, SEY FANG- IVIANUFACTURING COMPANY, A CORPORATION OF PENNSYLVANIA.

LUBRICATOR.

To all whom it may concern.

Be it known that I, WILLIAM WRIGHT, citizen of the United States, residing at Bradford, Pennsylvania, have invented certain new and useful Improvements in Lubricators, of which the following is a specification.

This invention relates to heavy oil 1ubri cators, such as are used on steam drilling engines, and its object is to provide a simple construction which, while enabling the feed of the oil from the lubricator cup holding the same, will, at the same time, permit the easy filling of the cup.

In the accompanying drawings Figure 1 shows my invention as applied to the steam line just above the engine throttle, while Fig. 2 is a section taken substantially on line :2-2 of Fig. 1.

The steam line is shown at A, and the lubricator cup at B. The live steam passes through the branch pipe a, which is valved at Z), into the cup, where the steam is con densed and the water of condensation causes the oil to rise, oil and water passing out through the pipe 0, which is valved at d, into the steam line at 6 below the steam entrance, which is indicated at f. This is an ordinary construction, but heretofore it has been difficult to get the oil into the lubricator in view of the pressure therein in connection with this method of feeding the oil, and it is the purpose of the present invention to utilize with this method of oil feed a construction of lubricator cup which will permit the filling of the cup without difficulty at any time, and regardless of the pressure that may be within the cup.

To this end I form the lubricator cup with a recessed top, the recess being formed by the flange q and the top plate 2', and into this top plate I secure a filling plug k which is made hollow and has two openings, m. a, opposite to each other, preferably. The plug 70 is preferably squared to permit the use of a wrench in tightening and loosening the same, and when in its lowered position the openings m, n, are beneath the top 71, or in line therewith, closing the opening to the lubricator, but when in an elevated position,

Specification of Letters Patent.

Patented @ct. i9, 1915.

as shown in Fig. 2, the openings are in line with the recessed top, and by filling the recessed top with the lubricant the oil will flow through into the lubricator cup through one or both openings m, n, while if there is any pressure within the cup it will discharge through one of the openings.

It will be observed that as the live steam passes into the cup the oil is necessarily warmed, and hence the recessed top of the lubricator will be heated by the steam, and this will tend to liquefy the oil poured into the recess in the top of the lubricator cup and facilitate its flow into the cup. It will also be noted that the flow of the oil is automatic when the connections are open, the steam' passing down through a into the cup, and the oil and water passing up through 0 into the steam line, and all that is necessary to fill the oil. cup is to unscrew the filling plug and flow the oil into the recessed top, when it will find its way into the cup without interference by the pressure within the same and thus the filling of the cup is accomplished without changing or interfering with the feed of the lubricant.

I claim as my invention 1; In combination a flanged cup adapted to contain lubricant, a pipe connecting therewith adapted to feed steam thereto to raise the oil therein by condensation of the water, a discharge pipe leading from said lubricator cup for the oil or oil and water, and a filling plug for the lubricator cup independent of the steam inlet and oil outlet pipes, said plug having two passages whereby the oil. may be supplied to the cup and the pressure within the cup allowed to be vented without interference, substantially as described.

2. In combination a lubricator cup, a steam line, an inlet pipe from said steam line to the lubricator cup for supplying water of condensation to raise the water in said cup, an outlet for the oil and water from the lubricator cup to the steam line, a filling plug having an opening for the inlet of oil and the exit of pressure, said filling plug being independent of the steam inlet, said cup having oil outlet pipes, and a depression or recess in the top thereof adapted to re- In testimony whereof, I afiix my signature ciive tle oil andhtohallgv the same tohbe disin presence of two witnesses.

c arge throng t e ling plug W en t e same is open, the said recessed top being sub- WILLIAM 161 jected to the heating action of the steam and Witnesses: this tending to liquefy the oil, substantially S. W. GREGG, as described. W. E. BURDIOK.

Copies of this patent may be obtained for five cents each, by addressing" the Commissioner of Patents, Washington, D. C. 

